Flumes are introduced in scene 283, as follows:

WIDE: He and Carter stand inside a LONG CYLINDRICAL TUBE with walls made of the shafts. Called a FLUME, it is 10 feet in diameter and 20 feet long. They are in the north entrance

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.